MacCLEAN's water softening systems help to remove minerals such as calcium and magnesium from your water, reducing the occurrence of inconveniences like soap scum and hard water spots. Programming the various settings for a MacCLEAN water softener is a simple process. For best results, refer to your water test data sheet throughout the setting process. A subsidiary of 3M's Cuno Incorporated division, MacCLEAN has been producing residential water treatment and water softening systems since 1934.

Step 1

Press the "Clock Set" button on the water softener control panel; a digital clock appears on the display screen and the hours digits begin to flash. Use the "Up" and "Down" arrow buttons to adjust the hours place digits as desired; press "Next" to advance the flashing to the minutes place digits. Use the same process to set the minutes digits; press "Next" to save your changes and exit the clock setting mode.

Step 2

Press and hold the "Next" and "Up" arrow buttons simultaneously for three seconds to access the programming mode; "Hardness: 20" appears on display screen. Press the "Up" and "Down" arrow buttons to adjust the hardness from "20" to the desired value. Set the amount of hardness in grains of hardness as calcium carbonate per gallon; refer to your water test data sheet when setting the grains of hardness. Press the "Next" button.

Step 3

Use the "Up and "Down" arrow buttons to adjust the indicator to specify the maximum number of days between regenerations; the maximum days between regeneration is 28. Note the "Regen Day" message and indicator on the digital display. Press "Next."

Step 4

Use the "Up" or "Down" buttons to adjust the regeneration time hour as desired; press "Next." The default regeneration time is 2:00 a.m. Use the same process to set the minutes for the regeneration time. Press "Next" again to exit the water softener programming mode.